feat: update gapic-generator-csharp to 1.3.11 feat: update rules_gapic to 0.8.0
feat: update gapic-generator-csharp to 1.3.11
feat: update rules_gapic to 0.8.0

Committer: da39a3ee5e6b4b0d3255bfef95601890afd80709@viacheslav-rostovtsev
PiperOrigin-RevId: 399754578

googleapis/googleapis,googleapis/googleapis